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Statistical Software

Statistical Software. An introduction to Statistics Using R. Instructed by Jinzhu Jia. Chap 13. 机器 学习. 参考 文献： 基本内容 K-NN Naïve Bayes Decision Trees. K-NN. Example. K = ？. Data transformation. R packages for KNN. Package: class. Naïve Bayes. Example. Laplace estimator.

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Statistical Software

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  1. Statistical Software An introduction to Statistics Using R Instructed by Jinzhu Jia

  2. Chap 13. 机器学习 • 参考文献： • 基本内容 • K-NN • Naïve Bayes • Decision Trees

  3. K-NN

  4. Example

  5. K = ？

  6. Data transformation

  7. R packages for KNN • Package: class

  8. Naïve Bayes

  9. Example

  10. Laplace estimator

  11. Text mining with Naïve Bayes • Spam SMS detection • See R code • R package for naïve bayes: e1071

  12. Decision Trees

  13. Decision Trees

  14. Decision Trees

  15. Choosing the best split

  16. R-Package • Package: C50

  17. Forecasting Numeric Data • Regression • Ridge Regression • Lasso • CART • Model Tree • SVM • Neuron Networks

  18. SVM

  19. Neuron Networks

  20. Evaluating Model Performances • Cross-validation

  21. Specialized machine learning topics • Web data • XML

  22. 期末大论文 • 1. 选择一个合适的实际问题 • 2. 针对实际问题，寻找合适的方法 • 3. 使用R变成解决该实际问题。 • 4. 写一个报告。 • 报告要求是论文格式。可以参考 journal of American Statistical Association. • 时间：毕业班—6月15日；其余—6月25日

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